Average Co-Inventor Count = 6.86
ph-index = 1
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Crrc Qingdao Sifang Co., Ltd. (2 from 92 patents)
2 patents:
1. 11447161 - Energy-absorbing anti-creeper and train vehicle with energy-absorbing anti-creeper
2. 11021176 - Energy absorption device and rail vehicle having same